Pros:
1-qhd display
2-exynos7420 processor which do not lag
3-Camera
4-GPU
5-easily availability
6-RAM
Cons:
1-no water and dust proofing
2-poor battery life
3-pricey
4-slippery
5-no micro sd card storage
Conclusion: Samsung could improve s series.It can add many functionalities such as usb3.0, IP68, micro sd expansion etc.If you have budget then you can buy but also buy a powebank too.Hope you like my review.If there is any scope of improvement then please let me know in the comment section.